View clinical trials related to Brain Neoplasms.
Filter by:The study is designed to use infusion of a non-radioactive, naturally occurring isotope of glucose (13C) in patients undergoing surgical resection for a newly identified brain mass to obtain the metabolic phenotype of the tumor, and correlate it with the histopathological diagnosis. In each patient, 13C NMR spectral analysis of tumor extracts will be obtained after intraoperative infusion of [U-13C]glucose or [1,2-13C]glucose. Whenever feasible, patients will undergo 3 preoperative imaging studies - 18FDG-PET, diffusion tensor imaging with 1H-spectroscopy on 3T MR scanner, and ultra high resolution MR imaging on the 7T MR scanner. The results of these imaging studies will be correlated with the metabolic phenotype to generate a comprehensive non-invasive view of the tumor with the goal of identifying infiltrative, metabolically active tumor cells within the brain. In addition, a comprehensive molecular profile of the tumor will be obtained and enable a genotype-metabolic phenotype comparative analysis. Correlative Translational Research The investigators will obtain tumor tissue from each patient for comprehensive molecular analysis (array CGH, expression profiling, methylation profiling) which will be correlated with tumor histology, the metabolites identified by 1H-MR spectroscopy and the 13Cglucose metabolic profile. Patients will be followed at designated time points along their treatment course to obtain information about ongoing treatment and response, time to tumor progression and overall survival. These parameters will be used in correlational analysis with the metabolic phenotype.
The purpose of this study is to determine whether Tranexamic Acid is effective or not in the reduction of intraoperative bleeding loss in brain tumors resections.
The purpose of this study is to explore the experiences and needs of patients with a high-grade glioma and their caregivers. Semi-structured interviews with patients and caregivers will be conducted and analysed using Grounded-Theory approach.
Purpose of the study: AIM 1 Prospectively collect pre-operative (fMRI, DTI, MEG) and intra-operative mapping data in patients with intra-axial brain tumors to assess how well each modality predicts the location of eloquent brain function. In addition, each modality will be compared with the other. AIM 2 Assess reorganization of eloquent brain function and plasticity in patients with intra-axial brain tumors. This will be accomplished by prospectively collecting post-operative mapping studies and neuropsychological tests to compare them to prior mapping studies as stated above.
Adjuvant whole-brain radiation therapy (WBRT) after resection of single brain metastasis is considered as a standard associated with side effects leading to decreased neurocognitive function. The Investigators addressed the question whether stereotactic radiotherapy of the resection cavity impairs neurological status and/or cognitive functions in compare to adjuvant WBRT.
The outcome of pediatric refractory or relapsed brain tumor is very dismal. Standard chemotherapy showed poor response to these patients. Although tandem high dose chemotherapy with hematopoietic progenitor stem cell rescues has been chosen as a potentially curative therapy for long term survival and better outcome is expected if tumor burden before transplantation reduced by chemotherapy, effective salvage chemotherapy for tumor reduction is not established yet. Irinotecan is a recently developed topoisomerase I inhibitor, and there are preclinical and phase I, II data which proved practical effects in brain tumors. In those studies, irinotecan was administered alone or in combination with one other drug. Vincristine, etoposide, carboplatin, and cyclophosphamide have been used in many protocols for brain tumors but the result was very poor in refractory or relapsed cases. However, irinotecan can be effective with these multiple chemotherapeutic agents. According to the pilot study of irinotecan in combination with vincristine, etoposide, carboplatin and cyclophosphamide in the investigators center, 75% percent of total 12 patients reached more than stable disease, and 2 patients got long term complete remission only with this multi-agent combination chemotherapy. But the combination of irinotecan, vincristine, etoposide, carboplatin, and cyclophosphamide is not clinically studied yet especially for pediatric patients. To improve response rate and progression-free survival, the combination chemotherapy of irinotecan, vincristine, etoposide, carboplatin, and cyclophosphamide is designed for pediatric refractory or relapsed brain tumor.
The investigators plan to study high dose, single treatment radiation, using a plastic mask instead of a head frame that pins into a patient's skull. The investigators need to (1) quantify set-up accuracy and patient motion during radiation treatment and (2) ensure that without the head frame the tumour control rate and risk of complications are similar to our previous experience using the head frame.
The aim of this study is to evaluate the clinical efficacy and safety of continuous Endostar infusion combined with radiotherapy for treatment of brain metastases.
The investigators plan to improve event free survival rate and reduce treatment related toxicities of pediatric patients with high risk/recurrent CNS tumors by administrating tandem high dose chemotherapy and autologous stem cell rescue.
Ovarian cancer, especially epithelial ovarian carcinoma, has the highest mortality rate among the gynecologic malignancies. The majority of patients with epithelial ovarian carcinoma are diagnosed at advanced stage which has the overall survival rates of only 19-30%. As the advance in the managements which prolonged the overall survival, metastatic lesion in rare location such as brain was noted in few patients of ovarian cancer in recent years. In the retrospective study, the investigators will review the medical records of the ovarian cancer patients with brain metastasis in the investigators hospital to investigate the incidence, clinical courses, optimal managements and possible prognostic factors in the rare condition.